void (*clean_fun)(void*), // used to free the synchro in case of problem after a detached send
void (*copy_data_fun)(simgrid::kernel::activity::CommImpl*, void*, size_t), // used to copy data if not default one
void* data, bool detached)
void (*clean_fun)(void*), // used to free the synchro in case of problem after a detached send
void (*copy_data_fun)(simgrid::kernel::activity::CommImpl*, void*, size_t), // used to copy data if not default one
void* data, bool detached)